Base | Representation |
---|---|
bin | 100111111011110011010… |
… | …0001100001100010001101 |
3 | 201102200212211210101120020 |
4 | 1033313212201201202031 |
5 | 1204411012420103111 |
6 | 15401222325012353 |
7 | 1104351104626005 |
oct | 117674641414215 |
9 | 21380784711506 |
10 | 5488540784781 |
11 | 182674a206a5a |
12 | 7478712540b9 |
13 | 30a74b112402 |
14 | 14d90ab1d005 |
15 | 97b82306906 |
hex | 4fde686188d |
5488540784781 has 32 divisors (see below), whose sum is σ = 7580050232832. Its totient is φ = 3530133888960.
The previous prime is 5488540784737. The next prime is 5488540784803. The reversal of 5488540784781 is 1874870458845.
5488540784781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 5488540784781 - 211 = 5488540782733 is a prime.
It is a super-2 number, since 2×54885407847812 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5488540784581) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53515891 + ... + 53618351.
It is an arithmetic number, because the mean of its divisors is an integer number (236876569776).
Almost surely, 25488540784781 is an apocalyptic number.
It is an amenable number.
5488540784781 is a deficient number, since it is larger than the sum of its proper divisors (2091509448051).
5488540784781 is a wasteful number, since it uses less digits than its factorization.
5488540784781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107593.
The product of its (nonzero) digits is 321126400, while the sum is 69.
The spelling of 5488540784781 in words is "five trillion, four hundred eighty-eight billion, five hundred forty million, seven hundred eighty-four thousand, seven hundred eighty-one".
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